Senior Backend & API Engineer - Java 21, Spring Boot

Ontrac Solutions LLC. seeks a Senior Software Engineer (Backend / API) to join a contractor program supporting a state government licensing and regulatory platform built on Google Cloud. You will own core domain services end to end and design the APIs that other services rely on, delivering licensing, case management, payments, documents and notification services. The role requires deep Java and Spring Boot expertise, production experience on GCP, and a proven track record delivering scalable